.mainCard{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background-color: rgba(255, 255, 255, 0.599);
    border-radius: 5px;
    font-family: HarmonyOS Sans SC;
    font-weight: bold;
    font-size: 22px;
    .hitokoto{
        font-size:45px;
    }
}